[ONOS-7039] [ONOS-7044] Fix PEP8 Warnings in TestON

Change-Id: Ied79ff9caff5487a6df50466307f757468d7ca3a
diff --git a/TestON/tests/USECASE/VPLS/VPLSBasic/VPLSBasic.py b/TestON/tests/USECASE/VPLS/VPLSBasic/VPLSBasic.py
index 7c9905e..4f8d159 100644
--- a/TestON/tests/USECASE/VPLS/VPLSBasic/VPLSBasic.py
+++ b/TestON/tests/USECASE/VPLS/VPLSBasic/VPLSBasic.py
@@ -1,5 +1,5 @@
 """
-Copyright 2016 Open Networking Foundation (ONF)
+Copyright 2016 Open Networking Foundation ( ONF )
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -8,7 +8,7 @@
     TestON is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 2 of the License, or
-    (at your option) any later version.
+    ( at your option ) any later version.
 
     TestON is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -18,7 +18,6 @@
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 """
-
 # CASE1: Startup
 # CASE2: Load vpls topology and configurations from demo script
 # CASE3: Test CLI commands
@@ -94,7 +93,6 @@
                                  onpass="Mininet Started",
                                  onfail="Error starting Mininet" )
 
-
         main.step( "Activate apps defined in the params file" )
         # get data from the params
         apps = main.params.get( 'apps' )
@@ -140,7 +138,7 @@
 
         main.step( "App Ids check" )
         appCheck = main.Cluster.command( "appToIDCheck", returnBool=True )
-        if appCheck != True:
+        if not appCheck:
             main.log.warn( main.Cluster.active( 0 ).CLI.apps() )
             main.log.warn( main.Cluster.active( 0 ).CLI.appIDs() )
         utilities.assert_equals( expect=True, actual=appCheck,
@@ -199,7 +197,7 @@
         result = False
         getPorts = utilities.retry( f=main.Cluster.active( 0 ).REST.getNetCfg,
                                     retValue=False,
-                                    kwargs={ "subjectClass" :"ports" },
+                                    kwargs={ "subjectClass": "ports" },
                                     sleep=main.sleep )
         onosCfg = pprint( getPorts )
         sentCfg = pprint( originalCfg.get( "ports" ) )
@@ -233,14 +231,13 @@
         main.step( "Remove an interface from a vpls network" )
         main.Cluster.active( 0 ).CLI.vplsRemIface( 'VPLS1', 'h1' )
         time.sleep( main.sleep )
-        #update master config json
+        # update master config json
         for network in main.vplsConfig:
             if network.get( 'name' ) == 'VPLS1':
                 ifaces = network.get( 'interfaces' )
                 ifaces.remove( 'h1' )
         main.vpls.verify( main )
 
-
     def CASE11( self, main ):
         """
         Clean all VPLS configurations
@@ -251,7 +248,6 @@
         main.vplsConfig = []
         main.vpls.verify( main )
 
-
     def CASE12( self, main ):
         """
         Create a new VPLS network.
@@ -264,7 +260,6 @@
         main.vplsConfig.append( network1 )
         main.vpls.verify( main )
 
-
     def CASE13( self, main ):
         """
         Add interfaces to the new VPLS network.
@@ -292,7 +287,6 @@
                 network[ 'interfaces' ] = ifaces
         main.vpls.verify( main )
 
-
     def CASE14( self, main ):
         """
         Add MPLS encapsulation.
@@ -306,7 +300,6 @@
         time.sleep( main.sleep )
         main.vpls.verify( main )
 
-
     def CASE15( self, main ):
         """
         Change an encapsulation type.
@@ -320,7 +313,6 @@
         time.sleep( main.sleep )
         main.vpls.verify( main )
 
-
     def CASE16( self, main ):
         """
         Remove encapsulation.
diff --git a/TestON/tests/USECASE/VPLS/VPLSfailsafe/VPLSfailsafe.py b/TestON/tests/USECASE/VPLS/VPLSfailsafe/VPLSfailsafe.py
index bda1ecd..55c9e2c 100644
--- a/TestON/tests/USECASE/VPLS/VPLSfailsafe/VPLSfailsafe.py
+++ b/TestON/tests/USECASE/VPLS/VPLSfailsafe/VPLSfailsafe.py
@@ -1,5 +1,5 @@
 """
-Copyright 2017 Open Networking Foundation (ONF)
+Copyright 2017 Open Networking Foundation ( ONF )
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -8,7 +8,7 @@
     TestON is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 2 of the License, or
-    (at your option) any later version.
+    ( at your option ) any later version.
 
     TestON is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -18,7 +18,6 @@
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
 """
-
 """
 Testing various connectivity failures for VPLS.
 
@@ -31,13 +30,11 @@
 CASE310: Kill 1 ONOS node at a time and test connectivity.
 CASE400: Bring down 1 link at a time and test connectivity.
 """
-
 class VPLSfailsafe:
 
     def __init__( self ):
         self.default = ''
 
-
     def CASE1( self, main ):
         """
         CASE1 is to compile ONOS and push it to the test machines
@@ -103,7 +100,6 @@
                                  onpass="Mininet Started",
                                  onfail="Error starting Mininet" )
 
-
         main.step( "Activate apps defined in the params file" )
         # get data from the params
         apps = main.params.get( 'apps' )
@@ -149,7 +145,7 @@
 
         main.step( "App Ids check" )
         appCheck = main.Cluster.command( "appToIDCheck", returnBool=True )
-        if appCheck != True:
+        if appCheck is not True:
             main.log.warn( main.Cluster.active( 0 ).CLI.apps() )
             main.log.warn( main.Cluster.active( 0 ).CLI.appIDs() )
         utilities.assert_equals( expect=True, actual=appCheck,
@@ -185,7 +181,7 @@
         utilities.assert_equals( expect=main.TRUE,
                                  actual=loadVPLSResult,
                                  onpass="Loaded vpls configuration.",
-                                 onfail="Failed to load vpls configuration.")
+                                 onfail="Failed to load vpls configuration." )
 
         # Time for netcfg to load data
         time.sleep( SLEEP )
@@ -211,7 +207,7 @@
         result = False
         getPorts = utilities.retry( f=main.ONOSrest1.getNetCfg,
                                     retValue=False,
-                                    kwargs={ "subjectClass" : "ports" },
+                                    kwargs={ "subjectClass": "ports" },
                                     sleep=SLEEP )
         onosCfg = pprint( getPorts )
         sentCfg = pprint( originalCfg.get( "ports" ) )
@@ -239,8 +235,6 @@
                                  onpass="Loaded vpls configuration.",
                                  onfail="Failed to load vpls configuration." )
 
-
-
     def CASE50( self, main ):
         """
         Initial connectivity check
@@ -253,7 +247,6 @@
                                  onpass="Connectivity is as expected.",
                                  onfail="Connectivity is NOT as expected." )
 
-
     def CASE100( self, main ):
         """
         Bring down 1 host at a time and test connectivity
@@ -301,7 +294,7 @@
 
         utilities.assert_equals( expect=main.TRUE, actual=result,
                                  onpass="Connectivity is as expected.",
-                                 onfail="Connectivity is NOT as expected.")
+                                 onfail="Connectivity is NOT as expected." )
 
     def CASE200( self, main ):
         """
@@ -310,7 +303,7 @@
         assert vpls, "vpls not defined"
 
         main.case( "Bring down one switch at a time and test connectivity." )
-        links = main.Mininet1.getLinks( )  # Obtain links here
+        links = main.Mininet1.getLinks()  # Obtain links here
         result = main.TRUE
 
         for i in range( 5, hosts + 1 ):
@@ -318,7 +311,7 @@
             stri = str( i )
 
             # Bring switch down
-            main.step( "Delete s" + stri + ".")
+            main.step( "Delete s" + stri + "." )
             delSwitchResult = main.Mininet1.delSwitch( sw="s" + stri )
 
             # Check if switch was deleted
@@ -332,17 +325,17 @@
             result = result and connectivityResult
 
             # Bring switch up
-            main.step( "Add s" + stri + ".")
+            main.step( "Add s" + stri + "." )
             addSwitchResult = main.Mininet1.addSwitch( sw="s" + stri )
 
             # Check if switch was added
             utilities.assert_equals( expect=main.TRUE, actual=addSwitchResult,
                                      onpass="Successfully added switch.",
-                                     onfail="Failed to add switch.")
+                                     onfail="Failed to add switch." )
             result = result and addSwitchResult
 
             # Reconnect links
-            main.step( "Reconnecting links on s" + stri + ".")
+            main.step( "Reconnecting links on s" + stri + "." )
             for j in links:
                 if ( j[ 'node1' ] == "s" + stri and j[ 'node2' ][ 0 ] == "s" ) or \
                    ( j[ 'node2' ] == "s" + stri and j[ 'node1' ][ 0 ] == "s" ):
@@ -355,7 +348,6 @@
             connectivityResult = vpls.testConnectivityVpls( main )
             result = result and connectivityResult
 
-
         utilities.assert_equals( expect=main.TRUE,
                                  actual=result,
                                  onpass="Connectivity is as expected.",
@@ -381,7 +373,7 @@
             ip_address = main.Cluster.active( i ).ipAddress
 
             # Stop an ONOS node: i
-            main.step( "Stop ONOS node " + stri + ".")
+            main.step( "Stop ONOS node " + stri + "." )
             stopResult = main.ONOSbench.onosStop( ip_address )
             main.Cluster.runningNodes[ i ].active = False
 
@@ -394,7 +386,7 @@
             result = result and connectivityResult
 
             # Restart ONOS node
-            main.step( "Restart ONOS node " + stri + " and checking status of restart.")
+            main.step( "Restart ONOS node " + stri + " and checking status of restart." )
             startResult = main.ONOSbench.onosStart( ip_address )
 
             utilities.assert_equals( expect=main.TRUE, actual=startResult,
@@ -451,7 +443,6 @@
                                  onpass="Connectivity is as expected.",
                                  onfail="Connectivity is NOT as expected." )
 
-
     def CASE310( self, main ):
         """
         Kill 1 ONOS node at a time and test connectivity
@@ -484,8 +475,7 @@
         utilities.assert_equals( expect=main.TRUE,
                                  actual=result,
                                  onpass="Connectivity is as expected.",
-                                 onfail="Connectivity is NOT as expected.")
-
+                                 onfail="Connectivity is NOT as expected." )
 
     def CASE400( self, main ):
         """
@@ -493,7 +483,6 @@
         """
         assert vpls, "vpls not defined"
 
-
         main.case( "Bring down one link at a time and test connectivity." )
 
         result = main.TRUE
diff --git a/TestON/tests/USECASE/VPLS/dependencies/vpls.py b/TestON/tests/USECASE/VPLS/dependencies/vpls.py
index 6240cb3..5c057bf 100644
--- a/TestON/tests/USECASE/VPLS/dependencies/vpls.py
+++ b/TestON/tests/USECASE/VPLS/dependencies/vpls.py
@@ -1,5 +1,5 @@
 """
-Copyright 2016 Open Networking Foundation (ONF)
+Copyright 2016 Open Networking Foundation ( ONF )
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -8,7 +8,7 @@
     TestON is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 2 of the License, or
-    (at your option) any later version.
+    ( at your option ) any later version.
 
     TestON is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -17,9 +17,7 @@
 
     You should have received a copy of the GNU General Public License
     along with TestON.  If not, see <http://www.gnu.org/licenses/>.
-"""
 
-"""
 Functions for the vpls tests
 """
 import time
@@ -65,8 +63,6 @@
     NOTE: This requires the expected/sent network config json for the vpls
           application be stored in main.vplsConfig
     """
-
-
     # Variables
     app = main.params[ 'vpls' ][ 'name' ]
     pprint = main.Cluster.active( 0 ).REST.pprint
@@ -78,7 +74,7 @@
         result = False
         getVPLS = utilities.retry( f=ctrl.REST.getNetCfg,
                                    retValue=False,
-                                   kwargs={"subjectClass":"apps", "subjectKey":app},
+                                   kwargs={ "subjectClass": "apps", "subjectKey": app },
                                    sleep=SLEEP )
         onosCfg = json.loads( getVPLS ).get( 'vpls' ).get( 'vplsList' )
         onosCfg = pprint( sanitizeConfig( onosCfg ) )
@@ -100,7 +96,7 @@
     clusterResult = True
     for ctrl in main.Cluster.active():
         result = False
-        #TODO Read from vpls show and match to pushed json
+        # TODO Read from vpls show and match to pushed json
         vpls = ctrl.CLI.parseVplsShow()
         parsedVpls = pprint( sanitizeConfig( vpls ) )
         sentVpls = pprint( sanitizeConfig( main.vplsConfig ) )
@@ -142,7 +138,7 @@
             if pingResult != expected:
                 connectivityCheck = False
                 main.log.error( "%s <-> %s: %s; Expected: %s" %
-                               ( src, dst, pingResult, expected ) )
+                                ( src, dst, pingResult, expected ) )
     utilities.assert_equals( expect=True,
                              actual=connectivityCheck,
                              onpass="Connectivity is as expected",
@@ -151,7 +147,8 @@
 # TODO: if encapsulation is set, look for that
 # TODO: can we look at the intent keys?
 
-def checkIntentState( main , bl=[] ):
+
+def checkIntentState( main, bl=[] ):
     # Print the intent states
     intents = main.Cluster.active( 0 ).CLI.intents()
     count = 0
@@ -179,7 +176,7 @@
     result = {}
     vplsConfig = main.vplsConfig
     for v in vplsConfig:
-        interfaces = v[ 'interfaces' ][:]
+        interfaces = v[ 'interfaces' ][ : ]
         for i in bl:
             if i in interfaces:
                 interfaces.remove( i )